Track Copilot traffic
Copilot referral traffic is a person from copilot.microsoft.com. Motif records that referrer as first touch and waits to see whether they pay.
What counts as Copilot traffic
A pageview whose referrer host is copilot.microsoft.com. Source copilot, medium ai_assistant.
Bing is still Bing
Organic bing.com search is a different channel. Copilot does not inherit Bing credit, and Bing does not inherit Copilot credit.
Crawlers stay off the ranking
Known Microsoft AI fetchers that touch /m.js or the collector increment AI crawlers. They never become visitors.